I have table in following configuration:

• header row: 5 columns
• table row: 5 columns
• table row: colspan across 5 columns

If colspan isn't used then data in long data in cells is used to make table wider. With colspan however colspanned cell isn't proportionally extending width of other columns, that it's spanning.

In case of more complex layout:

• header row: 5 columns
• table row: 5 columns
• table row: colspan across 3 columns | colspan across 2 columns

The colspanned cell should proportionally increase width of only cells that are spanned by this one.

Symfony Version: 2.8